KR20150077984A - Washing apparatus for case of portable an electric equipment - Google Patents

Abstract

The present invention relates to an apparatus for washing a case of a portable electric equipment, wherein the present invention is to provide an apparatus for washing a case of a portable electric equipment, comprising: a guide rail (110); a driving disk (120) installed inside one of four corners of the guide rail (100); guide disks (130a, 130b, 130c); and a conveyer joint (200) moving along an air shower module (300), a water washing module (400), a drug spraying module (500), a rinsing module (600), a water removing module (700) and a dry module (800) which were sequentially installed along the guide rail (100), and the guide rail (100), and guiding treated articles to be washed via the modules at the same time. In accordance with the present invention, a painting quality is improved by completely washing a surface of an ejection case before painting, and the washing of the surface of the ejection case is performed by automatic equipment, not handwork, by which washing efficiency is high, and work time can be reduced. Because a washing process is automatically performed along with the automatic equipment, exact and uniform washing can be achieved which improves product quality.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a case-

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a case cleaning device for a portable electronic device, and more particularly, to a case cleaning device for a portable electronic device including a communication terminal, a tablet computer, and a notebook computer (a concept including an injection case, And more particularly, to a case cleaning apparatus for a portable electronic apparatus that performs highly efficient cleaning to improve coating efficiency before performing a coating process.

Generally, a case for a communication terminal, particularly an injection molded case, is subjected to a washing process before coating.

This is to remove the foreign material attached to the coating surface before coating, thereby improving the quality of the coating surface.

However, in the case of a conventional communication terminal, particularly an injection case, there is no apparatus for automatically cleaning the case.

Therefore, most of the cleaning of the injection case before painting is performed manually by hand, mainly by washing with water, cleaning with chemicals, and rinsing.

For this reason, there is a need to develop an automatic cleaning device for the injection case before coating.

1. Domestic registered patent No. 0893953 (2009.04.10) 2. Domestic Registration No. 1060678 (Aug. 24, 2011)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a portable electronic device which is completely cleaned before coating a case of the portable electronic device, The present invention has been made in view of the above problems, and it is an object of the present invention to provide a case cleaning apparatus for a portable electronic apparatus.

Means for Solving the Problems To achieve the above object, the present invention provides a guide rail comprising a closed loop in a rectangular shape; A driving disc 120 installed inside any one of four corners of the guide rail 100; Guide discs 130a, 130b and 130c provided inside the other corners except for the driving disc 120; An air shower module 300, a water washing module 400, a medicine spray module 500, a rinse cleaning module 600, and a water removal module 600, which are sequentially installed along the guide rail 100 with respect to the driving disk 120, And a conveyor joint 200 for guiding the object to be processed to be washed through the modules while moving along the guide rail 100 and the driving disc 120, The guide discs 130a, 130b, and 130c are discs having no teeth on the outer circumferential surface, and the guide discs 130a, 130b, and 130c are discs having teeth on the outer circumferential surface. The conveyor joint 200 includes a joint body 210 formed in an A shape and a support rod 250 fixed horizontally at a lower end of the joint body 210 and fixing the object C A distal end of the other joint body 210 is fixed by passing through the rear end of the joint body 210 in the width direction so that the distal end of the joint body 210 is fixed at a predetermined And a rotation pin (230) which rotates within a radius and fixes the rotation pin (230) so as to be turned.

The air shower module 300 and the water removal module 700 are provided below the guide rails 100 and are provided with an upper portion and a side portion so as to allow the object C suspended from the jig 260 to enter therein A housing (310) provided in an opened state; A blower 320 installed below the housing 310; A branch pipe 330 for branching and supplying the air blown from the blower 320; And an air supply pipe 340 provided at both ends of the branch pipe 330 and having a plurality of air injection nozzles 342 for spraying air toward the target object C .

Further, the air injection nozzle 342 is further provided with a flexible tube F capable of guiding the jetted air to a short distance of the object C to be processed.

The water washing module 400, the medicine spray module 500 and the rinse cleaning module 600 are provided below the guide rail 100 and the object C hanging from the jig 260 enters A casing 410 having an upper portion and a side portion opened in such a manner that the upper portion and the side portion can be opened; A liquid storage tank 420 installed below the casing 410; A pump 430 installed at one side of the liquid storage tank 420; A filter 440 installed at an output end of the pump 430; A liquid supply pipe 460 branch-connected to the output side of the filter 440; A plurality of liquid spray nozzles 470 provided at an end of the liquid supply pipe 460 to spray liquid toward the object to be treated C; An air tank 480 provided at a position not interfering with the liquid storage tank 420; A compressor 490 fixed to the upper portion of the air tank 480; An air supply pipe 492 connected to an output end of the compressor 490; And an air injection nozzle 494 which is fixed to the end of the air supply pipe 492 and injects high-pressure air toward the object C to be processed.

The drying module 800 is provided below the guide rails 100 and includes a module housing 100 having an upper portion and a part of a side surface thereof opened so that the object C suspended from the jig 260 can enter. (810); The module housing 810 is divided into a central portion and a side portion and a central portion of the module housing 810 is formed with a drying chamber DC in which a material to be processed C is placed, a heater chamber HC is formed at both sides, A partition wall 820 having a plurality of partition walls 820; A chamber temperature sensor (T4) installed in the drying chamber (DC) for detecting an internal temperature; A drying heater (HTR) installed in the heater chamber (HC); And a blowing fan (FAN) installed at the rear of the drying heater (HTR) for blowing hot air to the object (C) through the flow hole (822).

According to the present invention, the following effects can be obtained.

First, the coating quality is improved by thoroughly cleaning the surface of the portable electronic device case before coating.

Second, the cleaning of the surface of the case is performed through an automated facility rather than a manual operation, thereby improving the cleaning efficiency and shortening the working time.

Third, since the cleaning process is performed automatically according to the automatic equipment, accurate and uniform cleaning is possible, thereby improving the product quality.

1 is a conceptual overall configuration diagram of a case cleaning apparatus of a portable electronic device according to the present invention.
2 to 5 are partial views showing a conveyor joint and its use example constituting a case cleaning device of a portable electronic device according to the present invention.
6 is an exemplary configuration diagram of an air shower module and a moisture removal module which constitute a case cleaning device of a portable electronic device according to the present invention.
FIG. 7 is an exemplary configuration diagram showing a water washing module, a medicine spray module, and a rinse cleaning module which constitute a case cleaning device of a portable electronic device according to the present invention.
8 is an exemplary configuration diagram of a drying module constituting a case cleaning apparatus of a portable electronic device according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Before describing the present invention, the following specific structural or functional descriptions are merely illustrative for the purpose of describing an embodiment according to the concept of the present invention, and embodiments according to the concept of the present invention may be embodied in various forms, And should not be construed as limited to the embodiments described herein.

In addition, since the embodiments according to the concept of the present invention can make various changes and have various forms, specific embodiments are illustrated in the drawings and described in detail herein. However, it should be understood that the embodiments according to the concept of the present invention are not intended to limit the present invention to specific modes of operation, but include all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.

First, a to-be-processed object C to be cleaned by the cleaning device according to an embodiment of the present invention is used in a communication terminal (a portable communication terminal, a smart phone, a mobile phone, a general term for an internet phone), a tablet computer, In the case of such a portable electronic device, the injection case and the SUS case are all included regardless of the material thereof, and it is a concept including a battery cover that forms the appearance of the product in the case of a smart phone in recent years.

As shown in FIG. 1, the case cleaning apparatus of the portable electronic device according to the present invention includes a guide rail 100 constituting a closed loop in a substantially rectangular shape, 130b and 130c installed inside the remaining corners except for the driving disc 120 and the guide rail 100 with respect to the driving disc 120. The driving disc 120 is mounted on the driving disc 120, The water washing module 400, the chemical spraying module 500, the rinsing washing module 600, the moisture removing module 700, the drying module 800 and the guide rails 100 And a conveyor joint 200 for guiding the object to be processed (i.e., an injection case) to be cleaned through the modules.

The guide discs 130a, 130b, and 130c have teeth on the outer circumferential surface of the guide discs 130a, 130b, and 130c, It is a simple guide for a magnetic disk.

The water washing module 400, the chemical spraying module 500, and the rinse cleaning module 600 are constructed in the same manner, There is only difference between air, water, medicine, and rinse.

In addition, the modules may be arranged at predetermined intervals in accordance with the processing order, which corresponds to the design matters, and the order of the modules themselves may be changed.

2 to 5, the conveyor joint 200 performs a function of transferring the article to be processed, that is, a product, while moving along the guide rail 100. The four corners It is necessary to have the joint shape as shown in the figure. At this time, the drive is engaged with the teeth 122 formed on the drive disk 120. [

That is, the conveyor joint 200 includes a joint body 210 formed in an approximately 'A' shape, a single-piece fixing piece 220 horizontally fixed to the lower end of the joint body 210, And a rotary pin 230 passing through the rear end of the other joint body 210 in the width direction and fixing the tip of the other joint body 210.

In this case, in addition to the above-described configuration, the shaft piece 240 may be further inserted at the distal end of the joint body 210, which will be described later.

In addition, the joint body 210 is formed in an approximately 'A' shape. The head portion 212 at the tip is formed in a substantially semicylindrical shape, and a flow hole 212a is formed in a radial direction of the joint portion. The flow hole 212a is formed as a long hole.

That is, when the tip of the other joint body 210, that is, the head part inserted into the tail part 214, which is the rear end of the joint body 210, is inserted into the flow hole 212a, The flow hole 212a should be formed to have a long hole so that the joint body 210 can rotate in the left and right direction within the body portion 213 and can be bent to a certain angle range.

5 (a), when the engaging protrusion 214b of the joint body 210 engages with the teeth 122 of the driving disc 120, it can be easily and smoothly bent.

A fixing hole 214a is formed on both sides of the stem 214 of the joint body 210 and a fixing hole 214a is formed on the outer surface of the fixing hole 214a. The engaging protrusion 214b engages with the teeth 122 of the driving disc 120 to fix both ends of the rotating pin 230 to the joint body 214b. 210 can be moved on the guide rails 100.

In this case, the fixing hole 214a should be formed in a hole shape instead of a slot because the rotation pin 230 should be fixed without moving. The rotation pin 230 is fixed to the fixing hole 214a, the flow hole 212a, And is configured so that the joint body 210 can be twisted in the order of the flow hole 212a and the fixing hole 214a.

At this time, since the fixing hole 214a is a hole, the flow hole 212a is a long hole, and two holes are formed in the width direction of the joint body 210, the fitting order is expressed as above.

In addition, when the shaft piece 240 is further attached, the shaft piece 240 is fitted in the inner diameter of the head part 212, and the rotation pin 230 is fixedly inserted through the shaft part 240. At this time, The shaft piece 240 serves as a kind of rotation shaft so that the head part 212 is moved within the range of the long hole 212a starting from the shaft piece 240 So that the joint body 210 can be bent.

An insert nut 222 is inserted and fixed to the fixing piece 220 to detachably attach the support rod 250 shown in FIG. 5 (b).

In this case, a jig 260 is fixed to the support rod 250, and a product, that is, an article C for cleaning, which is an injection case, is fixed to the jig 260.

Accordingly, the object C moves along the joint body 210 while hanging from the jig 260 and the support rod 250, so that the surface of the object C can be cleaned precisely and quickly through each module described above .

Meanwhile, the air shower module 300 is structured as shown in FIG. 6 (a), and the water removal module 700 has the same structure.

That is, the air shower module 300 and the water removal module 700 are both means for cleaning foreign matter or water adhering to the surface of the object C by spraying air.

To this end, these modules are provided below the guide rails 100 and include a housing 310, which is opened and partially opened to allow the object C suspended from the jig 260 to enter, ; A blower 320 installed below the housing 310; A branch pipe 330 for branching and supplying the air blown from the blower 320; And an air supply pipe 340 provided at both ends of the branch pipe 330 and having a plurality of air injection nozzles 342 for spraying air toward the object C to be processed.

The blower 320 is provided with a blower motor 322 for rotating the blower 320 and an air filter 324 for filtering foreign matter when air is sucked by the suction end of the blower 320.

As a result, air is supplied in accordance with the driving of the blower 320, and high pressure is injected to the surface of the object C through the air injection nozzle 342, so that the foreign matter adhering to the surface of the object C , Water and the like can be cleanly and automatically cleaned.

6 (b), a flexible tube F capable of guiding the air jetted from the air jet nozzle 342 to the near position of the object C is provided in the air supply pipe 340 Can be installed.

The flexible pipe (F) is an expandable bellows pipe, which can move up and down when air is blown, thereby widening the spraying radius to further increase the treatment efficiency.

The water washing module 400, the medicine spray module 500, and the rinse washing module 600 may have the same structure as shown in FIG. 7 except that they are stored in the tank and then supplied for cleaning.

For example, water is sprayed in the water washing module 400, chemicals are injected in the medicine injection module 500, and the rinse is sprayed in the rinse cleaning module 600.

These modules are provided below the guide rails 100 as shown in FIG. 7A. The upper and the side portions of the module are opened to allow the object C suspended from the jig 260 to enter the module A casing (410) provided in a state of being formed; A liquid storage tank 420 installed below the casing 410; A pump 430 installed at one side of the liquid storage tank 420; A filter 440 installed at an output end of the pump 430; A liquid supply pipe 460 branch-connected to the output side of the filter 440; A plurality of liquid spray nozzles 470 provided at an end of the liquid supply pipe 460 to spray liquid toward the object to be treated C; An air tank 480 provided at a position not interfering with the liquid storage tank 420; A compressor 490 fixed to the upper portion of the air tank 480; An air supply pipe 492 connected to an output end of the compressor 490; And an air injection nozzle 494 which is fixed to an end of the air supply pipe 492 and injects high pressure air toward the object C to be processed.

The cleaning fluid injected into the object C may be a liquid substance stored in the liquid storage tank 420, such as water, medicine, rinsing, etc., Lt; / RTI >

In this case, the liquid and the air may be selectively supplied and injected simultaneously, if necessary.

Referring to FIG. 7B, the liquid spraying nozzle 470 and the air spraying nozzle 494 are provided separately from each other.

In addition, a recovery receptacle (RT) for recovering the sprayed liquid is provided at an underside of the to-be-processed object C so that the recovered liquid can be introduced into the liquid storage tank 420 again.

Thus, when used as the water washing module 400, only the water is supplied through the liquid spraying nozzle 470 in a state in which the liquid storage tank 420 is filled with water, so that water can be cleaned and water can be used as the medicine spraying module 500 The medicine can be cleaned by supplying the medicine only through the liquid spray nozzle 470 in the state where the medicine is filled in the liquid storage tank 420. If the medicine is used as the rinse cleaning module 600, do.

Of course, it is of course also possible to simultaneously supply air in each of these cases to perform simultaneous cleaning.

Particularly, when the liquid material is pumped and supplied, the filter 440 filters the foreign substances contained therein, thereby uniformly cleaning the surface of the object C. However, It enables to maintain uniform surface quality in the process.

A temperature sensor T1 is provided on the upper surface of the liquid storage tank 420 and a heater H is installed on the bottom of the liquid storage tank 420 to maintain the liquid material at a constant temperature. This is because there is an excellent cleaning efficiency when it is maintained.

In addition, it may further include a water level sensor T2 provided in parallel with the temperature sensor T1. The water level sensor 420 may be provided to sense the water level and to prevent the liquid tank 420 from overflowing, It is for managing.

In this case, a clear water level detection tube T3 may be further provided on one side of the liquid storage tank 420 in case of failure or malfunction of the water level detection sensor T2.

Lastly, the drying module 800 is a module provided to dry the surface of the object C to be cleaned and to make it suitable for painting.

8, the drying module 800 is provided below the guide rails 100 and has a top portion and a part of the side portions thereof opened to allow the object C to be suspended from the jig 260 to enter A module enclosure 810 provided with: The module housing 810 is divided into a central portion and a side portion and a central portion of the module housing 810 is formed with a drying chamber DC in which a material to be processed C is placed, a heater chamber HC is formed at both sides, A partition wall 820 having a plurality of partition walls 820; A chamber temperature sensor (T4) installed in the drying chamber (DC) for detecting an internal temperature; A drying heater (HTR) installed in the heater chamber (HC); And a blowing fan (FAN) installed at the rear of the drying heater (HTR) for blowing hot air to the object (C) through the flow hole (822).

Thus, the supplied hot air, that is, hot air, comes into contact with the surface of the object to be processed (C) and dries it.

The present invention having such a device configuration is cleaned through the following process.

That is, an air shower process is performed in which strong air is sprayed on the surface of the object C to be introduced into the air shower module 300 while hanging from the jig 260, to thereby remove dust and foreign substances.

When dust or foreign matter adhering to the surface of the object C is removed through the air shower process, the object is cleaned first.

In this way, when the primary washing is completed, the object to be treated C enters the water washing module 400 and is subjected to the water washing process to be secondarily washed with water.

The water washing process is a process for washing fine foreign matter that has not yet been shaken because the surface of the object C has been removed by air only during the first washing, and the second washing process to be.

When the water washing process as the second washing process is completed, the to-be-processed object C enters the medicine injection module 500 and then performs a chemical washing process, which is a precise washing process with chemicals.

The chemical washing process is a third washing process, which is a process of dissolving organic substances and inorganic substances, including extremely fine adsorbed substances which can not be removed even by air or water, with chemicals, thereby removing the surface of the object to be treated (C) It is possible to remarkably improve the surface quality of the coating surface in the future coating, that is, the quality of the roughness.

Since the chemical treatment is performed thereafter, a rinse cleaning process is performed in which the chemical is rinsed and rinsed with a rinse, since it is necessary to wash the chemical thoroughly.

The rinse cleaning process is a fourth cleaning process. When the object C enters the rinse cleaning module, the rinse is sprayed to clean the surface of the object C containing the chemicals neatly.

Then, a water removing step for completely removing the water is performed. This is a fifth washing step, in which the surface is rinsed with a rinse by spraying the air at a high pressure so that no water remains.

Thus, when the water removal is completed, the drying process is finally performed.

The drying process is a sixth washing process in which high-temperature hot air is blown to completely dry the surface of the object to be processed (C) so that the coating liquid can be stably and stably applied on the coating surface during the subsequent process.

As described above, since the above-described series of processes are performed while being automatically operated through one facility (apparatus), waste of labor is prevented, cost and time can be reduced, and washing quality is drastically improved, It is possible to obtain an effect of contributing to improvement of coating quality in the process.

100: guide rail 200: conveyor joint
300: Air shower module 400: Water washing module
500: chemical spray module 600: rinse cleaning module
700: Dewatering module 800: Drying module

Claims (4)

A guide rail 100 constituting a closed loop in a rectangular shape; A driving disc 120 installed inside any one of four corners of the guide rail 100; Guide discs 130a, 130b and 130c provided inside the other corners except for the driving disc 120; An air shower module 300, a water washing module 400, a medicine spray module 500, a rinse cleaning module 600, and a water removal module 600, which are sequentially installed along the guide rail 100 with respect to the driving disk 120, And a conveyor joint 200 for guiding the article to be cleaned through the modules while moving along the guide rail 700, the drying module 800 and the guide rail 100,
The guide discs 130a, 130b, and 130c are discs having teeth on the outer circumferential surface thereof, and the guide discs 130a, 130b, and 130c are rotatably supported by a drive motor 110. The guide discs 130a, ;
The conveyor joint 200 includes a joint body 210 formed in an A shape and a support rod 250 fixed horizontally at a lower end of the joint body 210 and fixing the object C A distal end of the other joint body 210 is fixed by passing through the rear end of the joint body 210 in the width direction so that the tip of the joint body 210 is fixed at a predetermined And a rotation pin (230) which rotates in a radius and fixes the rotation pin (230) so as to be bent.
The method according to claim 1,
The air shower module 300 and the dewatering module 700 are provided below the guide rail 100 and are provided with an upper portion and a side portion opened to allow the object C suspended from the jig 260 to enter therein (310); A blower 320 installed below the housing 310; A branch pipe 330 for branching and supplying the air blown from the blower 320; And an air supply pipe (340) provided at both ends of the branch pipe (330) and having a plurality of air injection nozzles (342) for spraying air toward the object to be processed (C) The device's case cleaning device.
The method according to claim 1,
The water washing module 400, the chemical spray module 500 and the rinse cleaning module 600 are provided below the guide rail 100 to allow the object C suspended from the jig 260 to enter A casing 410 having upper and side portions opened; A liquid storage tank 420 installed below the casing 410; A pump 430 installed at one side of the liquid storage tank 420; A filter 440 installed at an output end of the pump 430; A liquid supply pipe 460 branch-connected to the output side of the filter 440; A plurality of liquid spray nozzles 470 provided at an end of the liquid supply pipe 460 to spray liquid toward the object to be treated C; An air tank 480 provided at a position not interfering with the liquid storage tank 420; A compressor 490 fixed to the upper portion of the air tank 480; An air supply pipe 492 connected to an output end of the compressor 490; And an air injection nozzle (494) fixed to an end of the air supply pipe (492) for spraying high pressure air toward the object to be processed (C).
The method according to claim 1,
The drying module 800 is provided below the guide rail 100 and includes a module housing 810 having an upper part and a side part opened so that the object C suspended from the jig 260 can enter. )Wow; The module housing 810 is divided into a central portion and a side portion and a central portion of the module housing 810 is formed with a drying chamber DC in which a material to be processed C is placed, a heater chamber HC is formed in both sides thereof, A partition wall 820 having a plurality of partition walls 820; A chamber temperature sensor (T4) installed in the drying chamber (DC) for detecting an internal temperature; A drying heater (HTR) installed in the heater chamber (HC); And a blowing fan (FAN) installed at the rear of the drying heater (HTR) for blowing hot air to the object (C) through the flow hole (822). Case cleaning device.

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